Okay. It seems you'll need to check the X Y main boards. THere might be bad solder or loose connections or bad components(most likely). I wish I had a "press-a-button" fix for this. But I'd suggest you to unplug it for 5-6 hours. If you want to repair it yourself then you should be having proper knowledge about the internal circuitry of the TV.You should also require a multimeter and soldering equipments and schematics.If you wish to take it to a repair shop would you like to have an idea of the cost of repair?If you have any other queries then I would be glad to assist you further.

Regards.

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Well I'd suggest you to get it checked by someone because Plasmas are generally different from tubes or lcds. If you have knowledge then only I would be able to guide you further. If you wish to take it to a repair shop would you like to have an idea of the cost of repair?If you have any other queries then I would be glad to assist you further.

Regards.

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I'm pretty sure it is the main boards. They are usually known as X-Sustain and Y-Sustain. Have the unit looked by someone with proper equipments and knowledge. I'd guesstimate it to be a repair of maximum $450. The minimum being $300. If you have any other queries then I would be glad to assist you further.

Regards.

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